Former First Daughter Chelsea Clinton attacked Infowars founder Alex Jones as "a liar" Sunday night following a sneak preview of his sit down interview with NBC host Megyn Kelly.

Clinton claimed it was a "horrible thing" for Kelly to "give a platform to a Sandy Hook truther," and discouraged parents from watching Jones' upcoming NBC interview.

"There is no justification for amplifying lies (or a liar), particularly about unimaginable tragedy. I hope no parent, no person watches this," Chelsea said.

Chelsea was responding to a Daily Kos editor's tweet, which stated, "it is a horrible thing for @megynkelly to give a platform to a Sandy Hook truther. No justification. @msnbc reconsider what you are doing."